today in algebra… ch.1 test today! all hw due today and notebook check today! learning goal:...
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TODAY IN ALGEBRA…
CH.1 TEST TODAY!
ALL HW DUE TODAY and Notebook check today!
Learning Goal: 2.1 You will graph and compare positive and negative numbers
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CHAPTER 1 TEST You have 50 minutes to complete your test. Are you prepared? Pencil? Calculator? No notes allowed. If you finish early:
Finish any missing assignments. Work on something quietly as the rest of
your fellow classmates complete their quizzes.
NO TALKING. STAY IN YOUR SEATS. Turn in any missing or corrected assignments.
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ALL HOMEWORK:
DUE TODAY!
If finished, work on other assignments:
HW #1: Pg. 5: 3-12, 15-28, 34HW #2: Pg. 10: 3-6, 11, 14, 15, 18, 22-26HW #3: Pg. 18: 3-12, 15-21HW #4: Pg. 24: 3-8, 12-28HW #5: Pg. 38: 1-8, 12-14, 17, 25HW #6: Pg. 46: 3-5, 10-13, 15, 16 use graph paper!
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2.1: INTEGERS AND RATIONAL NUMBERS:
0 1 2 3 4 5 6 7 8 9-1-2-3-4-5-6-7-8-9
4>0 2>−5 −1>−6
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2.1: INTEGERS AND RATIONAL NUMBERS:Copy the following table into your notebooks:
REAL NUMBERS
RATIONAL NUMBERS
INTEGERS
WHOLE NUMBERS
…−√2,−1 ,− 12,0 ,1 ,
34,√3 ,𝜋…
…−1 ,−12,0 ,34,1 ,2…
…−3 ,−2 ,−1 ,0 ,1 ,2 ,3 ,…
0 ,1 ,2 ,3 ,4 ,5…
Incl
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EXAMPLE: Tell whether each number in the list is a whole number, integer, rational number. Then order the numbers from least to greatest.
REAL NUMBERS
RATIONAL NUMBERS
INTEGERS
WHOLE NUMBERS
𝑎 .3 ,−1.2,−2,0𝑏 .16,1.75 ,−
23,0
−2 ,−1.2 ,0 ,3 −23,0 ,16,1.75
I R W WR W R R
WI
R
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PRACTICE: Tell whether each number in the list is a whole number, integer, rational number. Then order the numbers from least to greatest.
REAL NUMBERS
RATIONAL NUMBERS
INTEGERS
WHOLE NUMBERS
𝑎 .4.5 ,−34,−2.1 ,0.5𝑏 .3.6 ,−1.5 ,−0.31 ,−2.8
−2.1 ,−34,0.5 ,4.5
−2.8 ,−1.5 ,−0.31 ,3.6
R R R RR R R R
WI
R
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2.1: INTEGERS AND RATIONAL NUMBERS: ABSOLUTE VALUES
-Number of units away from zero-
0 1 2 3 4 5 6 7 8 9-1-2-3-4-5-6-7-8-9
𝐸𝑋 1 :|−6|=6 𝐸𝑋 2 :|3|=36 3
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PRACTICE: For all the following problems, evaluate the expressions when
0.75 1.00 0 1.75
1.50 2 .25 1.50 1.50